46results about How to "Simple parts" patented technology

The utility model relates to a special-shaped pipe for a compact spinning device and a tension supporting mechanism of the special-shaped pipe, which comprise an integrated negative pressure compact pipe with a smooth surface and a negative pressure cavity, and a rib plate which is arranged at the lower part of the negative pressure compact pipe and extends towards one side of a compact lower roller, the negative pressure gathering pipe is provided with at least one air suction connector communicated with the negative pressure cavity and a plurality of airflow guide grooves formed in the wall of the arc-shaped guide pipe. A tension supporting seat is arranged on the lower portion of the rib plate, a rod hole used for installing a tension rod is formed in the tension supporting seat, and installation grooves which correspond to the airflow guide grooves and are used for installing tension supporting arms and gear receding notches used for receding the carrier gear are formed in the tension supporting seat at intervals. According to the utility model, the strength and the processing and assembling precision of the special-shaped pipe can be improved, the synchronism of the lattice apron is good, and the spinning consistency is improved.

The utility model relates to the technical field of lock cylinder connecting rod structures, in particular to a novel side door self-reset lock cylinder connecting rod mechanism which comprises a lock cylinder connecting rod, a shell, a reset spring and a transmission component, the lock cylinder connecting rod comprises a first installation hole, a rocker arm and a stop block, and the first installation hole and the rocker arm are arranged in a staggered plane mode. The rocker arm is actuated by a driving mechanism; the shell is provided with a first connecting shaft and a neutral limiting vertical face, the outer wall of the first connecting shaft is sleeved with the first mounting hole, and the stopping block is carried on the outer wall of the neutral limiting vertical face; the reset spring is connected between the lock cylinder connecting rod and the shell and used for resetting the lock cylinder connecting rod after the lock cylinder connecting rod is actuated by the driving mechanism. According to the self-resetting lock cylinder connecting rod structure, internal device parts are simplified, the transmission mode is simple and efficient, the self-resetting lock cylinder connecting rod structure can be in mutual noninterference with an electric insurance unlocking action and can automatically reset, meanwhile, the internal structure can be effectively shielded, and the waterproof and drainage effects can be achieved.

A parallel flow integrated cold storage evaporator comprises a left collecting pipe A, a left collecting pipe B, a right collecting pipe A, a right collecting pipe B, flat tubes, fins, partitions, side partitions, a lower base plate, an upper cover plate, a cold storage agent filling nut, a sensor, a liquid inlet pipe, and a liquid outlet pipe. The present invention makes further structural optimization on the basis of the traditional parallel flow evaporator, combines it with a phase change cold storage material, and creates a new cold storage evaporator integrating cold storage and direct cooling functions. While being able to quickly cool down the refrigerator cavity, it can also store cold energy to maintain the temperature in the refrigerator compartment when the compressor in the car stops running. While ensuring the safe, orderly and efficient operation of each cycle, it also saves space and cost.

The invention relates to a catalyst module for collecting reflow soldering flux. The catalyst module comprises a metal shell (1); the silk screen collector (2) is used for filtering and collecting large particles in the mixed gas; the particle capturing catalyst (3) is used for catalytically decomposing flux residues in the mixed gas; the metal shell (1) is in a hollow cylindrical shape, the silk screen collector (2) and the particle capturing catalyst (3) are detachably installed in the metal shell (1), a metal plate (4) with meshes is detachably installed at an inlet and an outlet of the metal shell (1), the silk screen collector (2) is arranged on the inlet side of the metal shell (1), and the particle capturing catalyst (3) is arranged on the outlet side of the metal shell (1) and is of a pore channel structure. Compared with the prior art, the device is simple in structure, easy to mount and dismount, convenient to maintain and capable of efficiently collecting and removing scaling powder.

The utility model discloses simple mold cleaning and fixing equipment for wine bottle production, which comprises a bottom plate, a clamping plate, an adjusting component, a lifting plate, a connecting block I, a fixing plate, a fixing frame, a cross beam, a motor, a connecting plate, a connecting rod, a magnetic rod I and a magnetic rod II. According to the mold cleaning device, a mold used for producing wine bottles can be effectively fixed when being cleaned, the cleaning process is simple, traditional large mold cleaning equipment is replaced, parts of the equipment are simple, the research and development cost is low, the equipment is convenient to carry and transfer, the mold cleaning flexibility is improved, and the mold cleaning efficiency is improved. And the overall efficiency of wine bottle production is improved.

The present invention relates to the technical field of carburetor production, and in particular discloses an integrated tooling for adjusting the height and leak detection of needle valves of carburetors of small gasoline engines, comprising an adjusting height needle, a first driving member driving the adjusting height needle to rise and fall, a positioning seat located below the adjusting height needle, and a feedback unit, wherein the positioning seat is provided with a mounting cavity for accommodating the carburetor, a push rod is passed through the positioning seat, a second driving member driving the push rod to rise and fall is provided below the positioning seat, an air intake nozzle and an air intake channel connecting the air intake nozzle and the carburetor body are provided on the positioning seat, a first sensing member is provided on the adjusting height needle, a second sensing member is provided in the air intake channel, and both the first sensing member and the second sensing member are connected to the feedback unit. By adopting the above structure, an integrated tooling for adjusting the height and leak detection is provided, and two processes are carried out on one tooling, which can be completed with only one placing and taking action, with high production efficiency and good product consistency.

The utility model relates to the technical field of pruning machines, in particular to a pruning machine which comprises a cross beam, and a pruning mechanism is arranged on the lower portion of the cross beam through a fixing structure. The two ends of the cross beam are respectively provided with a frame in a fixed structure mode, each frame is provided with two rotating shafts in a rotating structure mode, the rotating shafts are sleeved with driving wheels in a fixed structure mode, the driving wheels on the same frame are connected through connecting pieces, and the rotating shafts outside the frames are connected with supports in a fixed structure mode. Wheels are arranged on the support in a rotating structure mode. The bearing vehicle is designed to be of a structural design of the cross beam and the vehicle frame, parts of the bearing vehicle are simplified, light-weight design is formed, rolling damage to lawns is avoided, and the moving range of the trimmer is enlarged.

The utility model discloses an electric steering control valve, and particularly relates to the technical field of control valves, a valve body comprises an upper vertical pipe, a transverse pipe, a lower vertical pipe and an adjusting cavity pipe which are sequentially connected, the upper vertical pipe, the transverse pipe, the lower vertical pipe and the adjusting cavity pipe are arranged in a cross shape and are integrally arranged, and an upper spherical adjusting block and a lower spherical adjusting block are installed in the middle of the valve body. An adjusting piece is installed on the outer side wall of the adjusting cavity pipe, extends into the adjusting cavity pipe and is attached to the spherical adjusting block, and the adjusting piece is used for adjusting the angle of the spherical adjusting block in the valve body and controlling the communication direction among the upper vertical pipe, the transverse pipe and the lower vertical pipe. By means of the two rotating spherical adjusting blocks and the water diversion hole penetrating through the spherical adjusting blocks, steering control over the flowing direction of media in the valve body is achieved, components in the valve body can be simplified, steering control is more convenient and faster, and practicability is improved.

A single-ditch walking mechanical drive fresh tobacco leaf harvesting and conveying machine relates to the technical field of tobacco field conveying devices and comprises a wheel walking base, a supporting platform is arranged on the wheel walking base in a lifting mode in the vertical direction, and the supporting platform is horizontally and rotatably installed on the wheel walking base through a reversing structure. A tobacco leaf bearing bin is slidably arranged on the supporting platform in the moving direction of the vehicle body. The utility model solves the problems that the large tobacco leaf harvesting and transporting machinery is small in application range and is not beneficial to large-area popularization in the prior art.

The utility model relates to the technical field of rare earth magnets, and provides a stable sintered neodymium-iron-boron magnet assembly which comprises a sintered neodymium-iron-boron magnet and a protection part, and the protection part comprises a first protection piece and a second protection piece which are oppositely arranged on the two sides of the sintered neodymium-iron-boron magnet. An injection molding layer is arranged between the sintered neodymium-iron-boron magnet and the protection part, at least one injection molding hole communicated with the injection molding layer is formed in the surface of the protection part, and at least one groove is formed in the position, connected with the injection molding layer, of the sintered neodymium-iron-boron magnet. According to the sintered neodymium iron boron magnet assembly, injection molding connection is adopted, all the structures are firmly connected, the high-temperature resistance and stability of the sintered neodymium iron boron magnet assembly are improved, the sintered neodymium iron boron magnet assembly can be applied to the high-temperature severe environment, and meanwhile the assembly is simple in structure, simple in component and convenient to machine.

A structure of a battery pack capable of mounting a cell assembly including a plurality of battery cells to the battery pack without a modular frame is provided. The according to an aspect of the present disclosure includes a cell assembly including a plurality of battery cells having electrode leads, a pack housing for accommodating the cell assembly therein, and a bus bar assembly disposed on both sides of the cell assembly, coupled to the pack housing, and connected to the electrode leads of the plurality of battery cells.

The utility model discloses a kind of gas air mixing device and gas water heater, it relates to water heating device field, comprising: for input gas gas passage;For input air first air passage and second air passage;With the first gas output portion and the second gas output portion of the gas passage intercommunication;Mixed gas passage is set in the first air passage, second air passage, first gas output portion, second gas output portion downstream;Flow regulating component is at least partially arranged in the first air passage and can move along the extension direction of the first air passage, air inlet in the gas air mixing device can drive the flow regulating component moves to adjust the opening of the first air passage and the first gas output portion;The second air passage and the second gas output portion are normally open state.This application can solve the problem that flow regulation range is relatively narrow.

The multi-connecting-rod rear suspension comprises a vehicle body rear floor, a vehicle body rear longitudinal beam is arranged on the vehicle body rear floor, a first connecting rod and a second connecting rod are arranged on the vehicle body rear longitudinal beam, and a rear longitudinal arm assembly and a hub assembly are arranged on the two sides of the vehicle body rear floor. A shock absorber and a spring are arranged between the vehicle body rear floor and the hub assembly. According to the multi-connecting-rod rear suspension and the automobile, the automobile body rear longitudinal beam is used for replacing an original auxiliary frame, mounting points are provided for the connecting rods, the overall height of the rear suspension is reduced, and therefore the height of a rear floor of an automobile body is reduced, and the space of a trunk is enlarged; the structure is simple and easy to realize; an auxiliary frame is omitted, so that the rear suspension is simpler in overall structure, light in weight and low in cost; the shock absorber and the spring are integrated, parts are simplified, and cost and weight are reduced.

The utility model relates to the technical field of buildings, and discloses a ribbed steel bar inserting connector. At least two outer sleeve shell installation parts are arranged on an inner sleeve shell, one end of each outer sleeve shell is arranged on one outer sleeve shell installation part in a sleeving mode, a reinforcing steel bar locking assembly is arranged in each outer sleeve shell, a reinforcing steel bar abutting groove with an opening facing the interior of the corresponding outer sleeve shell is formed in each outer sleeve shell installation part, and each reinforcing steel bar abutting groove is in a circular truncated cone shape. The diameter of the notch is larger than the caliber of a ribbed steel bar base circle, the diameter of the groove bottom is in interference fit with the caliber of the ribbed steel bar base circle, and the included angle between the side wall of the steel bar abutting groove and the notch is an acute angle. The ribbed steel bar inserting connector is simple in structure, good in stability, high in adaptability and easy to operate.

The utility model provides a water pressure test board mark smashing machine which comprises a horizontally-arranged workbench, a bearing seat is arranged on the edge of the workbench, a lead screw is vertically arranged on the bearing seat, a supporting seat is horizontally arranged on the lead screw in a sleeved mode, the lead screw rotates to drive and adjust the height of the supporting seat, an air cylinder is arranged on the supporting seat, and the air cylinder is connected with the bearing seat. A punch is horizontally arranged between the supporting base and the workbench, the output end of the air cylinder penetrates through the supporting base and is arranged downwards, the output end of the air cylinder is connected with the punch through a connecting rod, an air source processor is further arranged on the supporting base, and an air outlet of the air source processor is communicated with an air inlet of the air cylinder through an air pipe. The device is simple and compact in structure, can replace manual hammering with mechanical marking, guarantees marking accuracy, improves production efficiency, saves manpower and material resources, and guarantees personal safety.

The utility model discloses an armrest button for auto spare parts, which relates to the technical field of auto spare parts and comprises a button decorative strip, a button connecting rod, a button base and a rotating disk, a first mounting groove is arranged at the bottom of the button decorative strip, and the button connecting rod is fixed on the button decorative strip and hidden in the first mounting groove. The top of the button base protrudes upwards to form an annular fence, the button decoration strip and the button connecting rod are jointly arranged in the fence, the bottom of the button connecting rod protrudes downwards to form at least two first rotating blocks which are in central symmetry, and the top of the rotating disc protrudes upwards to form at least two second rotating blocks which are in central symmetry and are matched with the first rotating blocks. The second rotating block on the rotating disc penetrates through the button base and is connected with the first rotating block in a matched mode, so that when the button decoration strip moves downwards, the rotating disc moves downwards along with the button decoration strip and rotates. According to the utility model, the assembling process is reduced, the actual assembling space is reduced, and a customer can have a larger space for arrangement.

The utility model discloses a zero cold water circulation valve which comprises a valve body, a temperature adjusting valve is arranged on the body, a flow channel is arranged in the body, one end of the flow channel is a first connector of a hot water source, the other end of the flow channel is a second connector of a cold water source, and a hot water flow channel and a cold water flow channel are further arranged in the body. A first connector of the flow channel can be connected with a hot water inlet of the temperature adjusting valve through the hot water flow channel, and a second connector of the flow channel can be connected with a cold water inlet of the temperature adjusting valve through the cold water flow channel. A temperature sensing module is arranged in the flow channel, the temperature sensing module can guide cold water flow at the first connector to flow to the second connector, cold water and hot water of the valve are communicated, meanwhile, cold water on the hot water channel can be discharged to the cold water end, and hot water with the required temperature can be rapidly adjusted from the temperature adjusting valve when the temperature adjusting valve is suitable.

The invention belongs to the technical field of sighting telescope, and relates to a point type sighting telescope with a square window, which comprises a telescope body, an inner tube and an adjusting mechanism, an inner cavity is arranged in the telescope body, the inner tube is arranged in the inner cavity, the adjusting mechanism is used for driving the inner tube, a containing part is arranged on the periphery of the inner tube, a supporting part is arranged on the inner periphery of the telescope body, and the supporting part is used for supporting the inner tube. A pivot portion is further arranged between the containing portion and the supporting portion, the pivot portion provides a pivot for the containing portion, the sighting telescope is further provided with a pressing piece, and the pressing piece exerts counter-acting force on the inner tube so that it can be guaranteed that the moving direction of the inner tube does not deviate in the process that the adjusting mechanism drives the inner tube. The sighting telescope is simple and compact in structure and high in component matching reliability, and the stability of the optical path of the sighting telescope can be effectively guaranteed.

The application discloses a tape control mechanism and a tape manufacturing device, wherein the tape control mechanism comprises a base, a pressing plate and a plurality of first pressing columns. The base is provided with a first air channel, a second air channel and a plurality of first inner cavities arranged in an array. The first air channel is communicated with one end of the plurality of first inner cavities, and the second air channel is communicated with the other end of the plurality of first inner cavities. The pressing plate is arranged on the base, and a plurality of first solder tape channels arranged in an array are formed between the base and the pressing plate. The first pressing column comprises a first pressing section and a first piston section connected with each other. The plurality of first piston sections are arranged in the plurality of first inner cavities in a one-to-one correspondence. The first pressing section can extend into the corresponding first solder tape channel and press the first solder tape on the pressing plate. The above scheme can solve the problem that the clamp mechanism has a plurality of components in the related art. The installation precision of the guide rail, the setting precision of the height difference between the groove bottom and the top end surface of the groove are relatively high, thereby causing the problem that the clamp mechanism structure is complex and the installation difficulty is high.

A structure of a battery pack capable of mounting a cell assembly including a plurality of battery cells to the battery pack without a modular frame is provided. The according to an aspect of the present disclosure includes a cell assembly including a plurality of battery cells having electrode leads, a pack housing for accommodating the cell assembly therein, and a bus bar assembly disposed on both sides of the cell assembly, coupled to the pack housing, and connected to the electrode leads of the plurality of battery cells.

A parallel flow integrated cold storage evaporator comprises a left collecting pipe A, a left collecting pipe B, a right collecting pipe A, a right collecting pipe B, flat pipes, fins, spacers, side partition plates, a lower bottom plate, an upper cover plate, a cold storage agent filling nut, a sensor, a liquid inlet pipe and a liquid outlet pipe. The structure of a traditional parallel flow evaporator is further optimized, the parallel flow evaporator is combined with a phase change cold storage material, the novel cold storage evaporator integrating the cold storage function and the direct cooling function is manufactured, the refrigerator cavity can be rapidly cooled, and meanwhile the direct cooling function is achieved. And when the compressor in the automobile stops running, the temperature in the refrigerator chamber is kept, and the space and the cost are saved while safe, orderly and efficient running of each cycle is guaranteed.

This invention relates to a multi-purpose, rapid loading and unloading magazine, comprising a magazine body, a bullet chamber extending along a curved direction within the magazine body, a peripheral slide that can change the loading type, a magazine connector located at one end of the magazine body and engaging with the bullet chamber, and an ejector; the magazine connector is divided into rifle magazine connectors and pistol magazine connectors; the bullet chamber is equipped with a booster that slides with the bottom of the inner cavity to press linearly arranged bullets into the magazine, the booster being located at the outermost edge of one end of the bullet chamber and connected to a folding cover via a spring, similarly divided into rifle boosters and pistol boosters; the top of the bullet chamber is open, and the magazine body is equipped with a flip-up shockproof glass. The advantages of this invention are: through the cooperation of the magazine connector, bullet chamber, booster, or ejector, this invention can achieve rapid loading and unloading, has a reasonable structure, is easy to install, simplifies parts, and even if a part fails, it can be replaced with something else, resulting in low cost.

The invention relates to the field of nerve regulation and control equipment, in particular to a nerve treatment head fixator with a height adjusting structure and an adjusting method, the nerve treatment head fixator comprises a helmet fixator, and a fixing cylinder is connected to the upper portion of the helmet fixator in a penetrating mode. The placement cylinder is connected with the treatment head, the first thread on the outer side of the placement cylinder is in threaded connection with the first screw groove of the fixing cylinder, the height of the treatment head is adjusted by rotating the position of the placement cylinder, and a wire harness of the treatment head can penetrate through the fixing cover through the open through groove in the fixing cover, so that the wire harness is limited, and the treatment head is convenient to use. The conical barrel can be connected with the lower portion of the containing barrel through second threads and second screw grooves in a threaded mode, so that the conical barrel can be connected with the lower portion of the containing barrel, treatment heads of different types and shapes can be adapted, all parts of the structure are simple, in actual use, 3D printing and other methods can be carried out according to the specific shapes and sizes of the treatment heads, adjustment is convenient, and practicability is high. The device can adapt to treatment heads in different shapes, and the use convenience is improved.

The present invention discloses a stacked floor-standing clothes hanger that is easy to disassemble and assemble, including a base, a stacked assembly and a plurality of hanger rods; the base is hollow inside and is provided with a partition; the stacked assembly includes additional parts of various shapes, the interior of the additional parts is provided with a receiving cavity and the side of the additional parts is provided with an additional part door, each additional part is provided with a protruding tenon at the bottom, each additional part and the top of the base are provided with a bayonet that matches the tenon, multiple additional parts are connected with the bayonet in turn through the tenon, the bayonet at the top of the base is connected with the tenon at the bottom of the additional part located at the bottom layer, each additional part is connected with a connecting plate in the top wall, and the hanger rods are connected with the circular holes on the connecting plate and the circular holes on the side wall of the additional part in turn. The present invention increases the storage space of an ordinary floor-standing clothes hanger, and the disassembly and assembly is extremely simple and convenient, and the parts are simple; the number of additional parts of the stacked assembly can be selected according to personal needs to obtain the required height; at the same time, it has the characteristics of simple structure and stable and firm.

The application provides a vehicle lamp assembly, a vehicle lamp and a vehicle, which comprise a first light source, a second light source, a first primary optical element and a second primary optical element which are transparent members, and a projection unit. The second light source and the first light source arranged along the optical axis direction are arranged on the same light source mounting surface. The first primary optical element has a first incident surface, a first reflecting surface, a first exit surface and a third reflecting surface, and the second primary optical element has a second reflecting surface arranged corresponding to the third incident surface. The light beam emitted by the first light source enters the first primary optical element through the first incident surface, is converged and reflected by the first reflecting surface, and is emitted by the first exit surface to form a first light beam which is transmitted along the optical axis direction. The light beam emitted by the second light source is converged and reflected by the second reflecting surface, enters the first primary optical element through the third incident surface, and is emitted by the first exit surface to form a second light beam which is transmitted along the optical axis direction. The first light beam and the second light beam realize a first light function and a second light function respectively after passing through the projection unit.

The invention discloses a game handle trigger key switching mechanism, which comprises a fixed support and a trigger key cap, the trigger key cap is hinged to the upper part of the fixed support, the middle part of the fixed support is provided with a first rotating shaft and a swing seat, a first torsion spring is arranged between the swing seat and the first rotating shaft, and a double-switch module is fixed on the swing seat; a second rotating shaft is arranged on the lower portion of the fixing support, a change-over switch used for pushing the swing base is installed, and a second torsional spring is arranged between the change-over switch and the second rotating shaft. Compared with the prior art, the switching mechanism has the advantages that a transfer mechanism of the keys is omitted, parts are simplified, the failure rate of the mechanism is reduced, the service life is prolonged, the size of the switching mechanism is reduced, the occupied space is small, the switching mechanism is suitable for a small gamepad, meanwhile, a trigger key cap can directly act on a point contact switch, and the switching mechanism is convenient to use. And the two-time contact hand feeling generated by one-time pressing is avoided.

The utility model discloses a split type rim tire mounting device, which belongs to the technical field of vehicle assembling and manufacturing, and comprises a tire expanding mold, a tire pressing component and a linear driver, the tire expanding mold is provided with a guide ring surface, and the diameter of an upper circle formed by the guide ring surface is smaller than that of a lower circle; the tire pressing component comprises an upper seat part, a connecting part and a jacking part, the upper seat part is located above the tire expanding mold, the jacking part is arranged on the periphery of the guide ring surface in a surrounding mode, and the surrounding diameter is larger than the lower circle diameter of the guide ring surface; the linear driver is mounted between the tire expanding mold and the tire pressing component and outputs driving force for the jacking part to axially move towards the lower end of the guide ring surface, and the linear driver is detachably connected with at least one of the tire expanding mold and the tire pressing component. The device has the advantages of low cost, simplicity in use, low failure rate, low operation and maintenance cost, small size, rapidness and high efficiency in operation and the like.

The utility model discloses a fan. The fan comprises a motor, a mounting disc, a support, an outer frame, a fixing block, a blade handle and fan blades. The motor is a permanent magnet synchronous motor and is provided with a rotating shaft and a fixed disc; a taper hole is formed in the fixed disc; the rotating shaft is also provided with a conical surface matched with the taper hole; a fixing column is arranged in the center of the fixing disc, and the mounting disc is mounted on the fixing column; a plurality of supports are installed on the outer side face of the installation disc and fixed to the outer frame at the same time. The motor is provided with a cover body, the cover body is provided with a semicircular mounting groove and a screw hole, one side of a cylindrical blade handle is movably fixed on the mounting groove, and the other side of the cylindrical blade handle is matched with the fan blade; the fixing block is arranged at the position of the mounting groove, the fixing block is also provided with a mounting groove, and the screw hole is aligned with the mounting groove and the screw hole in the cover body; and a groove is formed in the mounting disc. According to the technical scheme, the size of the whole draught fan is reduced, and meanwhile sealing of the draught fan is optimized.

The present application relates to a connecting flange, a sight glass and a connecting flange assembly for vehicle air conditioning, and a refrigerant pipe assembly. The connecting flange includes: a main body, having a regular hexahedron shape, including a first surface and a second surface, a third surface and a fourth surface, a fifth surface and a sixth surface opposite to each other; a first hole, penetrating the main body from the first surface to the second surface; a second hole, starting from the third, fifth or sixth surface and vertically passing through the first hole, so that the two fluids are connected; and a first expansion hole, concentric with the first hole, extending from the first surface of the main body to the second surface to a predetermined distance without reaching the second hole, and the diameter of the first expansion hole is greater than the diameter of the first hole. The port of the first hole on the second surface of the main body, the port of the second hole on the third surface of the main body, and the port of the first expansion hole on the first surface of the main body have flange connection means. The connecting flange, the sight glass and the connecting flange assembly according to the present application can be used for refrigerant pipe assemblies of various vehicles.

The application discloses a kind of anti-tipping slide rail devices for multilayer drawer, including: bottom plate, sliding plate, dial needle component, interlocking mechanism, guide slot is equipped with locking position, sliding plate has interlocking sliding slot, interlocking sliding slot includes the import opening section of front portion and the locking sliding slot section of rear portion, locking assembly one side has hanging column, locking assembly passes through fixed slide rail, and make hanging column be located import opening section front portion, when guide column slides to locking position, dial needle component is deflected, sliding plate stops sliding, hanging column is locked in locking sliding slot section, any layer drawer is opened when interlocking mechanism is in locked state, other layer drawer cannot be opened.The application, through the linkage between bottom plate, sliding plate, dial needle component and interlocking mechanism, parts are simplified, error is not easy to appear, production cost and use cost are low, while realizing the opening and closing of single drawer basis, the interlocking function between multilayer drawer is also realized, more conform to daily use habit.